Chris, I use a 55 gal plastic drum, cut 1/3rd off the top. I trimmed the lid to fit back on. Like I said, I use the Keep-alive pump, glued it to a piece of slate to keep it on the bottom. Make sure you rig up some kind of drain, or use a pump to empty it. I can keep a doz. or so alive for quite a while, I change half the water everyday and keep it out of the sun.
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